My games wont play

The emulator is NO$GBA games i play say that they cant read the file and want me to restart it i did it but it doesn't work. Do i need a new emulator?
Post Merge: [time]1272220621[/time]
Sorry i didn't notice the must read first sorry for your trouble

What game that has that error ?
Also try to use this full package of no$gba http://www.mediafire.com/download.php?0tmrvozm0gm